The UFC welterweight – and likely next title challenger to champion Georges St-Pierre – on Friday had his case tossed out by a Nevada judge, which means Diaz’s yearlong suspension and a total of $79,500 in fines will remain, a Nevada State Athletic Commission representative told MMAjunkie.com (www.mmajunkie.com).

Diaz was suspended in May, retroactive to his February fight against Carlos Condit at UFC 143. Diaz lost that fight by unanimous decision, but following the fight, he tested positive for marijuana metabolites. In May, the NSAC, in a three-hour hearing in Las Vegas, voted unanimously to suspend Diaz for the failed drug test – his second in the state.

The commission also fined him 30 percent of his show purse, or $60,000, and an additional $19,500 (30 percent) from a “Fight of the Night” bonus.

Diaz, through lawyer Ross Goodman, attempted to have his fine and suspension overturned when he filed a petition in July, claiming the NSAC violated his rights with the punishment. Diaz holds a license to use medicinal marijuana in California as treatment for attention-deficit hyperactivity disorder.

But Friday’s last-ditch attempt at having things reversed was unsuccessful.

Diaz is eligible to apply for a new fighter’s license in Nevada on Feb. 4 when his suspension expires. Right now, he’s being targeted for a March 16 fight against St-Pierre in Montreal.

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